Q: What are the prime factors of the number 12,401,216?

 A: 2, 37, 5237

Why are those the prime factors of the number 12,401,216?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 12,401,216

12,401,216
Factor Arrows
26,200,608
Factor Arrows
23,100,304
Factor Arrows
21,550,152
Factor Arrows
2775,076
Factor Arrows
2387,538
Factor Arrows
2193,769
Factor Arrows
375,237

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 37, 5237

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 37 x 5,237 = 12,401,216

This can also be written as 26 x 371 x 5,2371 = 12,401,216

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 12,401,216:


Ask a Question